Home / 230,036.24-345,140.01-103,638.56

Finding the Fourth Proportional to 230,036.24, 345,140.01 and 103,638.56

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Solution

The fourth proportional to 230,036.24, 345,140.01 and 103,638.56 is: 155,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,036.24 : 345,140.01 = 103,638.56 : x
  2. Step 2: Convert to fraction form
    230,036.24/345,140.01 = 103,638.56/x
  3. Step 3: Cross multiply
    230,036.24x = 345,140.01 × 103,638.56
  4. Step 4: Simplify right side
    230,036.24x = 35,769,813,634.79
  5. Step 5: Solve for x
    x = 35,769,813,634.79/230,036.24
  6. Step 6: Final answer
    x = 155,496.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.